# Basic Calculator+ vs Simple Note Keeper

The clearest difference is update cadence: Simple Note Keeper at every 2 months against Basic Calculator+'s every 4 months. Simple Note Keeper also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Basic Calculator+ ships an update every 4 months, Simple Note Keeper every 2 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Basic Calculator+ | Simple Note Keeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (260K ratings)](https://appshunter.io/ios/app/basic-calculator-plus/id539356791/reviews)** | — |
| Number of ratings | **260K** | — |
| Positive reviews | 87.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 52 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Best Free Apps](https://appshunter.io/developer/539356794) | [Ferran Espuna](https://appshunter.io/developer/1608027657) |

## What reviewers say

### Basic Calculator+

[App page](https://appshunter.io/ios/app/basic-calculator-plus/id539356791)

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

**Highlights:** Basic four functions, Clear display, Large buttons, Portrait and landscape modes, iPad compatible

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear buttons
- 👍 Straightforward, basic functionality
- 👍 No ads or in-app purchases
- 👍 Works well on iPad

**What reviewers complain about**

- 🐛 Inconsistent click volume
- 🐛 Ads can be intrusive or disruptive
- 🐛 Missing backspace/delete function

**Reported bugs**

- Incorrect calculation results
- Ads covering the screen

**Requested features**

- Add fraction button
- Implement order of operations
- Include memory function


### Simple Note Keeper

[App page](https://appshunter.io/ios/app/simple-note-keeper/id1608337456)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Basic Calculator+ free?

Basic Calculator+ is free to download, with no in-app purchases.

### Is Simple Note Keeper free?

Simple Note Keeper is free to download, with no in-app purchases.

### Do Basic Calculator+ or Simple Note Keeper have ads?

Both Basic Calculator+ and Simple Note Keeper show ads.

### Which is updated more often, Basic Calculator+ or Simple Note Keeper?

Basic Calculator+ ships an update every 4 months, and Simple Note Keeper every 2 months. Most recently, Basic Calculator+ was updated on October 13, 2026 and Simple Note Keeper on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*